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Trigger
R&S
®
RTB2000
59User Manual 1333.1611.02 ─ 03
You can also drag the trigger level marker on the display, or turn the Levels knob. To
set the trigger level to 50% of the signal amplitude, press the Levels knob.
For width and timeout trigger, the trigger level is the threshold of the trigger source.
Remote command:
TRIGger:A:LEVel<n>[:VALue] on page 268
TRIGger:A:FINDlevel on page 268
Coupling
Sets the coupling for the trigger source.
"AC"
Alternating current coupling. A highpass filter removes the DC offset
voltage from the trigger signal.
"DC"
Direct current coupling. The trigger signal remains unchanged.
"LF Reject"
Sets the trigger coupling to high frequency. A 15 kHz highpass filter
removes lower frequencies from the trigger signal. Use this mode
only with very high frequency signals.
Remote command:
TRIGger:A:EDGE:COUPling on page 269
HF Reject
Enables or disables an additional 5 kHz lowpass filter in the trigger path. This filter
removes higher frequencies and is available with AC and DC coupling.
You can use either "HF Reject" or "Noise Reject".
Remote command:
TRIGger:A:EDGE:FILTer:HFReject on page 269
Noise Reject
Extends the hysteresis to avoid unwanted trigger events caused by noise oscillation
around the trigger level.
You can use either "HF Reject" or "Noise Reject".
Remote command:
TRIGger:A:EDGE:FILTer:NREJect on page 269
5.5 Width Trigger
The width trigger compares the pulse width (duration) with given time limits. It detects
pulses with an exact pulse width, pulses shorter or longer than a given time, and also
pulses inside or outside the allowable time range. The pulse width is measured at the
trigger level.
You can use the width trigger, for example, to trigger on glitches.
Width Trigger
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